Method constructor

src/expression-observer.js:7–12

(scope, expression, observerLocator, lookupFunctions)

@subscriberCollection()
export class ExpressionObserver {
  constructor(scope, expression, observerLocator, lookupFunctions) {
    this.scope = scope;
    this.expression = expression;
    this.observerLocator = observerLocator;
    this.lookupFunctions = lookupFunctions;
  }

  getValue() {
    return this.expression.evaluate(this.scope, this.lookupFunctions);